ISO standards of dental burs
1.Shapes of cutting head
borgigi
®
Dental burs.
Click on picture to enlarge.
2. Shaft diameter and length
Angle or Right Angle (RA) Type
These burs are used for medium speed rotation contra-angle handpieces. it has shaft diameter of always 2.35 mm and has a notch at the end. The ISO number defines the length of each bur.
Hand Part or Hand Piece (HP) Type
These burs are commonly used with handpieces both in clinics and laboratories. It has shaft diameter of always 2.35 mm and has a free end. The ISO number defines the length of each bur.
Turbine or Friction Grip (FG) Type
These burs are for high speed rotation. It has shaft diameter of always 1.6mm and has a free end. The ISO number defines the length of each bur.
3. Cutting Head Material
Tungsten Carbide - ISO 500
Its working part consists of alloy. (We do not manufacture this type of cutting head)
Diamond - ISO 806
By means of electroplated technology, the diamond powder is hereby plated to the shaft according to the shapes and the grit sizes.
4. Grit Size
The colours below are painted in the neck of the bur.
544
Black, super-coarse. Grit size 180 μm.
534
Green, coarse. Grit size 150 μm.
524
Blue, medium. Grit size 106 μm.
514
Red, fine. Grit size 63 μm.
504
Yellow, super-fine. Grit size 40 μm.
494
White, ultra-fine. Grit size 14 μm.
5. Diameter of head
Measured in 1/10 mm (eg. for 0.5 mm, code: 005; for 4.2 mm, code: 042).
PRODUCT SAMPLE
HOW TO ORDER
EXAMPLE
code: 806-314-001-504-016
ISO
806
314
001
504
016
Cutting head material
Tungsten Carbide = 500
Diamond = 806
Shaft diameter & length
Turbine = 3xx
Right-angle = 2xx
Handpiece = 1xx
Shape of cutting head
Grit size
Black (super coarse grain) = 544
Green (coarse grain) = 534
Blue (medium grain) = 524
Red (fine grain) = 514
Yellow (superfine grain) = 504
White (ultrafine grain) = 494
Max. diameter of head (ball)
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